CN104928537A - Aluminum alloy conductor material with high compressive creep resistance and low resistivity and preparation method thereof, and cable - Google Patents
Aluminum alloy conductor material with high compressive creep resistance and low resistivity and preparation method thereof, and cable Download PDFInfo
- Publication number
- CN104928537A CN104928537A CN201410099336.8A CN201410099336A CN104928537A CN 104928537 A CN104928537 A CN 104928537A CN 201410099336 A CN201410099336 A CN 201410099336A CN 104928537 A CN104928537 A CN 104928537A
- Authority
- CN
- China
- Prior art keywords
- alloy conductor
- conductor material
- high resistance
- aluminum
- compression creep
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Conductive Materials (AREA)
Abstract
The embodiment of the invention provides an aluminum alloy conductor material with high compressive creep resistance and low resistivity, wherein the aluminum alloy conductor material includes the following components by the mass percentage: 0.6%-1.2% of iron, 0.1%-0.3% of copper, 0.01%-0.1% of zirconium, 0.05%-0.12% of yttrium, and aluminum and unavoidable impurities. The aluminum alloy conductor material has both high compressive creep resistance and low resistivity, the resistivity is less than 0.0305 ohm*mm<2>/m, and requirements of aluminum alloy rods for copper-cladded aluminum alloy wires can be met; when applied to a current-carrying cable of a low-voltage circuit, the aluminum alloy conductor material can greatly improve crimping reliability of the aluminum cable, and besides, has a larger current-carrying capacity. The embodiment of the invention also provides a preparation method of the aluminum alloy conductor material with high compressive creep resistance and low resistivity and provides a cable.
Description
Technical field
The present invention relates to aluminum alloy materials field, particularly relate to a kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material and preparation method thereof and cable.
Background technology
In current－carrying conductor, along with the prolongation of duration of service, the change of cable and connector temperature, aluminium alloy conductor easily deforms.This distortion is under compressive stress state, continues the slow viscous deformation of generation in time, is referred to as compressive creep.Because the compressive creep of common aluminium alloy conductor is far above copper, by increasing the resistance value of joint, there is the danger causing joint location to strike sparks.But the resistance to compression creep property of aluminium alloy conductor and conductivity often can not be taken into account simultaneously, how to adjust a kind of resistance to compression creep property of Formula Development and all good aluminium alloy conductor of conductivity is a difficult point.
Summary of the invention
In view of this, embodiment of the present invention first aspect provides a kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material, have high resistance to compression creep property and low-resistivity performance concurrently, the problem of resistance to compression creep property and conductivity can not be taken into account in order to solve aluminium alloy conductor in prior art simultaneously.
First aspect, embodiments provides a kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprises the component of following mass percent:
Iron 0.6% ~ 1.2%;
Copper 0.1% ~ 0.3%;
Zirconium 0.01% ~ 0.1%;
Yttrium 0.05% ~ 0.12%; And aluminium and inevitable impurity.
In embodiment of the present invention, the mass percent of described iron is specially 0.8% ~ 1.2%.
In embodiment of the present invention, the mass percent of described copper is specially 0.1% ~ 0.3%.
In embodiment of the present invention, the mass percent of described zirconium is specially 0.01% ~ 0.07%.
In embodiment of the present invention, the mass percent of described yttrium is specially 0.05% ~ 0.10%.
In embodiment of the present invention, the mass percentage of described inevitable impurity is less than or equal to 0.3%.
The present invention is wherein in an embodiment, and described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 1.0%, copper: 0.15%, zirconium: 0.03%, yttrium: 0.07%, aluminium: 98.6%, and inevitable impurity.
In another embodiment of the present invention, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 0.7%, copper: 0.12%, zirconium: 0.06%, yttrium: 0.05%, aluminium: 98.9%, and inevitable impurity.
In another embodiment of the present invention, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 1.1%, copper: 0.2%, zirconium: 0.08%, yttrium: 0.09%, aluminium: 98.4%, and inevitable impurity.
In embodiment of the present invention, described high resistance to compression creep low-resistivity aluminum-alloy conductor material has crystalline structure, the inside of described crystalline structure comprises α-Al phase and second-phase, and described second-phase part Dispersed precipitate is at grain boundary sites, and part Dispersed precipitate is mutually inner at described α-Al.
In embodiment of the present invention, described second-phase comprises Al
3fe phase, Al
3the Compound Phase of Zr phase and aluminium and yttrium.
In embodiment of the present invention, described iron, copper and yttrium, it is mutually inner that part is solid-solubilized in described α-Al
The high resistance to compression creep low-resistivity aluminum-alloy conductor material that embodiment of the present invention first aspect provides, have high resistance to compression creep property and low-resistivity performance concurrently, this is because iron, copper, zirconium, yttrium can improve the creep-resistant property of aluminum-alloy conductor material, simultaneously copper, yttrium adjustable improve aluminum-alloy conductor material resistivity, and the combined action of iron, copper, zirconium, yttrium four kinds of elements, make aluminum-alloy conductor material inside define tiny strengthening and stable matrix and stable not easily decompose the Dispersed precipitate of the growing up second-phase at crystal boundary and intracrystalline.
Second aspect, embodiments provides a kind of preparation method of high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprises the following steps:
According to the component proportion of the high resistance to compression creep low-resistivity aluminum-alloy conductor material of design, first in smelting furnace, fine aluminium ingot is added, add aluminum-copper alloy after aluminium ingot fusing again, ferroaluminium, aluminium zirconium alloy, aluminium yittrium alloy carry out melting, again successively through induction stirring, refining, the online degasification of employing argon gas, and after filtration, casting after, obtain strand; Again by strand through 9 ~ 16 passes, carry out ageing treatment subsequently, after cooling, obtain described high resistance to compression creep low-resistivity aluminum-alloy conductor material, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron 0.6% ~ 1.2%; Copper 0.1% ~ 0.3%; Zirconium 0.01% ~ 0.07%; Yttrium 0.05% ~ 0.12%; And aluminium and inevitable impurity.
Wherein, a certain amount of iron (Fe) add tensile strength, yield strength and the resistance to compression creep property that can increase aluminum-alloy conductor material, especially favourable to improving intensity under high temperature, and can not obviously reduce specific conductivity and unit elongation.In casting and rolling process, in alloy, Fe part is with Al
3the form of Fe is separated out, and through multiple tracks rolling, fine uniform is dispersed in grain boundary sites; Part still remains on solid solution condition due to process of cooling fast, forms super saturated solid solution matrix, makes the microtexture that formed more tiny.
Copper (Cu), yttrium (Y) element are promoting further resistance to compression creep property simultaneously, adjustable improve aluminum-alloy conductor material resistivity.Wherein the effect of Y element is more obvious, and it has the effect of inhaling hydrogen, deoxidation, removal of impurities, crystal grain thinning, minimizing aluminium alloy formation of crack.Tiny Al
3zr particle dispersion is distributed in crystal boundary and intracrystalline position, greatly improves the creep-resistant property of aluminum-alloy conductor material.
Define stable matrix in the aluminum-alloy conductor material that the embodiment of the present invention finally prepares and stable not easily decompose the disperse of the growing up second-phase at crystal boundary and intracrystalline, due to intensifying factors such as solution strengthening, grain refining, dispersion-strengtheneds, postpone recrystallize generation, improve the high-temperature creep resistance of aluminum-alloy conductor material.
In embodiment of the present invention, the condition of described casting is: under the melt temperature of 680 DEG C ~ 730 DEG C, adopts the casting speed of 2.5 ~ 3.5 tphs to cast.
In embodiment of the present invention, the described operation of rolling finishing temperature remain on 300 DEG C ~ 360 DEG C, described cooled go out car temperature be 40 DEG C ~ 60 DEG C.
The preparation method of a kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material that embodiment of the present invention second aspect provides, technique is simple, the aluminum-alloy conductor material prepared, its inside defines stable matrix and stable not easily decomposes the disperse of the growing up second-phase at crystal boundary and intracrystalline, has high resistance to compression creep property and low-resistivity performance concurrently.
The embodiment of the present invention third aspect provides a kind of cable, comprise insulated conductor and be arranged on sheath outside described insulated conductor, the high resistance to compression creep low-resistivity aluminum-alloy conductor material that the core of described insulated conductor adopts embodiment of the present invention first aspect to provide.
The embodiment of the present invention third aspect provides cable, and crimping reliability is high, and has larger current capacity.
The advantage of the embodiment of the present invention will partly be illustrated in the following description, and a part is apparent according to specification sheets, or can be known by the enforcement of the embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the compression creep performance test result of (120 DEG C, the 112MPa stress) embodiment of the present invention one aluminum-alloy conductor material and copper conductor under limiting condition;
Fig. 2 is the compression creep performance test result of (20 DEG C, the 112MPa stress) embodiment of the present invention one aluminum-alloy conductor material and copper conductor under normal condition.
Embodiment
The following stated is the preferred implementation of the embodiment of the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from embodiment of the present invention principle; can also make some improvements and modifications, these improvements and modifications are also considered as the protection domain of the embodiment of the present invention.
Embodiment of the present invention first aspect provides a kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material, have high resistance to compression creep property and low-resistivity performance concurrently, the problem of resistance to compression creep property and conductivity can not be taken into account in order to solve aluminium alloy conductor in prior art simultaneously.
First aspect, embodiments provides a kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprises the component of following mass percent:
Iron 0.6% ~ 1.2%;
Copper 0.1% ~ 0.3%;
Zirconium 0.01% ~ 0.1%;
Yttrium 0.05% ~ 0.12%; And aluminium and inevitable impurity.
In embodiment of the present invention, the mass percent of described iron is specially 0.8% ~ 1.2%.
In embodiment of the present invention, the mass percent of described copper is specially 0.1% ~ 0.3%.
In embodiment of the present invention, the mass percent of described zirconium is specially 0.01% ~ 0.07%.
In embodiment of the present invention, the mass percent of described yttrium is specially 0.05% ~ 0.10%.
In embodiment of the present invention, the mass percentage of described inevitable impurity is less than or equal to 0.3%.
The present invention is wherein in an embodiment, and described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 1.0%, copper: 0.15%, zirconium: 0.03%, yttrium: 0.07%, aluminium: 98.6%, and inevitable impurity.
In another embodiment of the present invention, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 0.7%, copper: 0.12%, zirconium: 0.06%, yttrium: 0.05%, aluminium: 98.9%, and inevitable impurity.
In another embodiment of the present invention, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 1.1%, copper: 0.2%, zirconium: 0.08%, yttrium: 0.09%, aluminium: 98.4%, and inevitable impurity.
Wherein, a certain amount of iron (Fe) add tensile strength, yield strength and the resistance to compression creep property that can increase aluminum-alloy conductor material, especially favourable to improving intensity under high temperature, and can not obviously reduce specific conductivity and unit elongation.
Copper (Cu), yttrium (Y) element are promoting resistance to compression creep property simultaneously, the adjustable resistivity improving aluminum-alloy conductor material further.Wherein the effect of Y element is more obvious, and it has the effect of inhaling hydrogen, deoxidation, removal of impurities, crystal grain thinning, minimizing aluminium alloy formation of crack.Tiny Al
3zr particle dispersion is distributed in crystal boundary and intracrystalline position, greatly improves the creep-resistant property of aluminum-alloy conductor material.
In embodiment of the present invention, the inside of described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises α-Al phase and second-phase, and described second-phase part Dispersed precipitate is at grain boundary sites, and part Dispersed precipitate is mutually inner at described α-Al.
In embodiment of the present invention, described second-phase comprises Al
3fe phase, Al
3the Compound Phase of Zr phase and aluminium and yttrium.
In embodiment of the present invention, described iron, copper and yttrium, it is mutually inner that part is solid-solubilized in described α-Al.
The high resistance to compression creep low-resistivity aluminum-alloy conductor material that embodiment of the present invention first aspect provides, have high resistance to compression creep property and low-resistivity performance concurrently, this is because iron, copper, zirconium, yttrium can improve the creep-resistant property of aluminum-alloy conductor material, simultaneously copper, yttrium adjustable improve aluminum-alloy conductor material resistivity, and the combined action of iron, copper, zirconium, yttrium four kinds of elements, make aluminum-alloy conductor material inside define tiny strengthening and stable matrix and stable not easily decompose the Dispersed precipitate of the growing up second-phase at crystal boundary and intracrystalline.
Second aspect, embodiments provides a kind of preparation method of high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprises the following steps:
According to the component proportion of the high resistance to compression creep low-resistivity aluminum-alloy conductor material of design, first in smelting furnace, fine aluminium ingot is added, add aluminum-copper alloy after aluminium ingot fusing again, ferroaluminium, aluminium zirconium alloy, aluminium yittrium alloy carry out melting, again successively through induction stirring, refining, the online degasification of employing argon gas, and after filtration, casting after, obtain strand; Again by strand through 9 ~ 16 passes, carry out ageing treatment subsequently, after cooling, obtain described high resistance to compression creep low-resistivity aluminum-alloy conductor material, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron 0.6% ~ 1.2%; Copper 0.1% ~ 0.3%; Zirconium 0.01% ~ 0.07%; Yttrium 0.05% ~ 0.12%; And aluminium and inevitable impurity.
Wherein, a certain amount of iron (Fe) add tensile strength, yield strength and the resistance to compression creep property that can increase aluminum-alloy conductor material, especially favourable to improving intensity under high temperature, and can not obviously reduce specific conductivity and unit elongation.In casting and rolling process, in alloy, Fe part is with Al
3the form of Fe is separated out, and through multiple tracks rolling, fine uniform is dispersed in grain boundary sites; Part still remains on solid solution condition due to process of cooling fast, forms super saturated solid solution matrix, makes the microtexture that formed more tiny.
Copper (Cu), yttrium (Y) element are promoting further resistance to compression creep property simultaneously, adjustable improve aluminum-alloy conductor material resistivity.Wherein the effect of Y element is more obvious, and it has the effect of inhaling hydrogen, deoxidation, removal of impurities, crystal grain thinning, minimizing aluminium alloy formation of crack.Tiny Al
3zr particle dispersion is distributed in crystal boundary and intracrystalline position, greatly improves the creep-resistant property of aluminum-alloy conductor material.
Define stable matrix in the aluminum-alloy conductor material that the embodiment of the present invention finally prepares and stable not easily decompose the disperse of the growing up second-phase at crystal boundary and intracrystalline, due to intensifying factors such as solution strengthening, grain refining, dispersion-strengtheneds, postpone recrystallize generation, improve the high-temperature creep resistance of aluminum-alloy conductor material.
In the present embodiment, the inside of described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises α-Al phase and second-phase, and second-phase part Dispersed precipitate is at grain boundary sites, and part Dispersed precipitate is mutually inner at described α-Al.Described second-phase comprises Al
3fe phase, Al
3the Compound Phase of Zr phase and aluminium and yttrium.The inside solid solution of α-Al phase has iron, copper and yttrium.
In embodiment of the present invention, the condition of described casting is: under the melt temperature of 680 DEG C ~ 730 DEG C, adopts the casting speed of 2.5 ~ 3.5 tphs to cast.
The present invention is wherein in an embodiment, and the condition of described casting is: under the melt temperature of 700 DEG C, adopts the casting speed condition of 3 tphs to cast.
In embodiment of the present invention, described ageing treatment is online ageing treatment.
In embodiment of the present invention, the finishing temperature of the described high resistance to compression creep low-resistivity aluminum-alloy conductor material operation of rolling remains on 300 DEG C ~ 360 DEG C, cooled go out car temperature be 40 DEG C ~ 60 DEG C.
The present invention is wherein in an embodiment, and the finishing temperature of the described high resistance to compression creep low-resistivity aluminum-alloy conductor material operation of rolling is 340 DEG C, cooled go out car temperature be 50 DEG C.
In embodiment of the present invention, in described high resistance to compression creep low-resistivity aluminum-alloy conductor material, the mass percent of described iron is specially 0.8% ~ 1.2%.
In embodiment of the present invention, the mass percent of described copper is specially 0.1% ~ 0.3%.
In embodiment of the present invention, the mass percent of described zirconium is specially 0.01% ~ 0.07%.
In embodiment of the present invention, the mass percent of described yttrium is specially 0.05% ~ 0.10%.
The present invention is wherein in an embodiment, and described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 1.0%, copper: 0.15%, zirconium: 0.03%, yttrium: 0.07%, aluminium: 98.6%, and inevitable impurity.
In another embodiment of the present invention, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 0.7%, copper: 0.12%, zirconium: 0.06%, yttrium: 0.05%, aluminium: 98.9%, and inevitable impurity.
In another embodiment of the present invention, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron: 1.1%, copper: 0.2%, zirconium: 0.08%, yttrium: 0.09%, aluminium: 98.4%, and inevitable impurity.
The preparation method of a kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material that embodiment of the present invention second aspect provides, technique is simple, the aluminum-alloy conductor material prepared, its inside defines stable matrix and stable not easily decomposes the disperse of the growing up second-phase at crystal boundary and intracrystalline, has high resistance to compression creep property and low-resistivity performance concurrently.
The embodiment of the present invention third aspect provides a kind of cable, comprise insulated conductor and be arranged on sheath outside described insulated conductor, the high resistance to compression creep low-resistivity aluminum-alloy conductor material that the core of described insulated conductor adopts embodiment of the present invention first aspect to provide.
The embodiment of the present invention third aspect provides cable, and crimping reliability is high, and has larger current capacity.
Multiple embodiment is divided to be further detailed the embodiment of the present invention below.The embodiment of the present invention is not limited to following specific embodiment.In the scope of constant Principal Right, carrying out that can be suitable is changed and implements.
Embodiment one
A kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprise the component of following mass percent: iron: 1.0%, copper: 0.15%, zirconium: 0.03%, yttrium: 0.07%, aluminium: 98.6%, all the other are impurity.
The preparation method of this high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprises the following steps:
According to the component proportion of the high resistance to compression creep low-resistivity aluminum-alloy conductor material of design, first in smelting furnace, fine aluminium ingot is added, add aluminum-copper alloy after aluminium ingot fusing successively, ferroaluminium, aluminium zirconium alloy, aluminium yittrium alloy carry out melting, again successively after induction stirring, refining, the online degasification of employing argon gas, filtration, casting, obtain strand; The condition of described casting is: under the melt temperature of 700 DEG C, adopts the casting speed condition of 3 tphs to cast; Again by strand through 14 passes, carry out online ageing treatment subsequently, after cooling, obtain described high resistance to compression creep low-resistivity aluminum-alloy conductor material, the finishing temperature of described high resistance to compression creep low-resistivity aluminum-alloy conductor material is 340 DEG C, and going out car temperature is 50 DEG C.
The inside of described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises α-Al phase and second-phase.Second-phase comprises Al
3fe phase, Al
3the Compound Phase of Zr phase and Al and Y.Further, the inside solid solution of α-Al phase has iron, copper and yttrium.
Wherein, a certain amount of iron (Fe) add tensile strength, yield strength and the resistance to compression creep property that can increase aluminum-alloy conductor material, especially favourable to improving intensity under high temperature, and can not obviously reduce specific conductivity and unit elongation.In casting and rolling process, in alloy, Fe part is with Al
3the form of Fe is separated out, and through multiple tracks rolling, fine uniform is dispersed in grain boundary sites; Part still remains on solid solution condition due to process of cooling fast, forms super saturated solid solution matrix, makes the microtexture that formed more tiny.
Copper (Cu), yttrium (Y) element are promoting resistance to compression creep property simultaneously, the adjustable resistivity improving aluminum-alloy conductor material further.Wherein the effect of Y element is more obvious, and it has the effect of inhaling hydrogen, deoxidation, removal of impurities, crystal grain thinning, minimizing aluminium alloy formation of crack.Tiny Al
3zr particle dispersion is distributed in crystal boundary and intracrystalline position, greatly improves the creep-resistant property of aluminum-alloy conductor material.
The high resistance to compression creep low-resistivity aluminum-alloy conductor material that the embodiment of the present invention prepares, its inside defines stable matrix and stable not easily decomposes the disperse of the growing up second-phase at crystal boundary and intracrystalline, due to intensifying factors such as solution strengthening, grain refining, dispersion-strengtheneds, postpone recrystallize generation, improve the high-temperature creep resistance of aluminum-alloy conductor material.
Embodiment two
A kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprise the component of following mass percent: iron: 0.7%, copper: 0.12%, zirconium: 0.06%, yttrium: 0.05%, aluminium: 98.9%, all the other are impurity.
The preparation method of this high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprises the following steps:
According to the component proportion of the high resistance to compression creep low-resistivity aluminum-alloy conductor material of design, first in smelting furnace, fine aluminium ingot is added, add aluminum-copper alloy after aluminium ingot fusing successively, ferroaluminium, aluminium zirconium alloy, aluminium yittrium alloy carry out melting, again successively after induction stirring, refining, the online degasification of employing argon gas, filtration, casting, obtain strand; The condition of described casting is: under the melt temperature of 680 DEG C, adopts the casting speed condition of 3 tphs to cast; Again by strand through 10 passes, carry out online ageing treatment subsequently, after cooling, obtain described high resistance to compression creep low-resistivity aluminum-alloy conductor material, the finishing temperature of described high resistance to compression creep low-resistivity aluminum-alloy conductor material is 360 DEG C, and going out car temperature is 60 DEG C.
Embodiment three
A kind of high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprise the component of following mass percent: iron: 1.1%, copper: 0.2%, zirconium: 0.08%, yttrium: 0.09%, aluminium: 98.4%, all the other are impurity.
The preparation method of this high resistance to compression creep low-resistivity aluminum-alloy conductor material, comprises the following steps:
According to the component proportion of the high resistance to compression creep low-resistivity aluminum-alloy conductor material of design, first in smelting furnace, fine aluminium ingot is added, add aluminum-copper alloy after aluminium ingot fusing successively, ferroaluminium, aluminium zirconium alloy, aluminium yittrium alloy carry out melting, again successively after induction stirring, refining, the online degasification of employing argon gas, filtration, casting, obtain strand; The condition of described casting is: under the melt temperature of 730 DEG C, adopts the casting speed condition of 2.5 tphs to cast; Again by strand through 16 passes, carry out online ageing treatment subsequently, after cooling, obtain described high resistance to compression creep low-resistivity aluminum-alloy conductor material, the finishing temperature of described high resistance to compression creep low-resistivity aluminum-alloy conductor material is 300 DEG C, and going out car temperature is 40 DEG C.
Effect example is the beneficial effect providing powerful support for the embodiment of the present invention, provides effect example as follows, in order to evaluate and test the performance of the product that the embodiment of the present invention provides.
Fig. 1 is the compression creep performance test result of (120 DEG C, the 112MPa stress) embodiment of the present invention one aluminum-alloy conductor material and copper conductor under limiting condition.As can be seen from Figure 1, the embodiment of the present invention one aluminum-alloy conductor material is compared with copper conductor, and under limiting condition, compressive creep absolute value difference is no more than 0.13%.Fig. 2 is the compression creep performance test result of (20 DEG C, the 112MPa stress) embodiment of the present invention one aluminum-alloy conductor material and copper conductor under normal condition.As can be seen from Figure 2, aluminum-alloy conductor material of the present invention is compared with copper conductor, and under normal condition, compressive creep absolute value difference is no more than 0.1%, and resistivity is less than 0.0305 Ω mm simultaneously
2/ m.This shows, aluminum-alloy conductor material of the present invention embodies splendid resistance to compression creep properties and low-resistivity, can meet the aluminium alloy rod requirement that aluminium in copper alloy line is used, be applied in the current-carrying cable of low-voltage circuit.This is the combined action due to Fe, Cu, Zr, Y tetra-kinds of elements, and aluminum-alloy conductor material inside defines tiny strengthening and stable matrix, the feature of second-phase dispersion distribution.
Embodiment of the present invention gained height resistance to compression creep low-resistivity aluminum-alloy conductor material also has high intensity, moderate conductivity and unit elongation, excellent combination property.Table 1 is each Performance comparision of the embodiment of the present invention one aluminum-alloy conductor material and existing market conductor.
Table 1
From the above, embodiment of the present invention gained height resistance to compression creep low-resistivity aluminum-alloy conductor material compression creep performance is suitable with copper conductor, higher than existing aluminium conductor.In long-term current-carrying use procedure, reliability is high, does not worry circuit burnout, equivalent risk on fire that loose contact causes.Therefore, adopt high resistance to compression creep low-resistivity aluminum-alloy conductor material of the present invention to do current-carrying cable, can the crimping reliability of significant increase aluminum steel cable, there is larger current capacity simultaneously.
Claims (16)
1. a high resistance to compression creep low-resistivity aluminum-alloy conductor material, is characterized in that, comprise the component of following mass percent:
Iron 0.6% ~ 1.2%;
Copper 0.1% ~ 0.3%;
Zirconium 0.01% ~ 0.1%;
Yttrium 0.05% ~ 0.12%; And aluminium and inevitable impurity.
2. high resistance to compression creep low-resistivity aluminum-alloy conductor material as claimed in claim 1, it is characterized in that, the mass percent of described iron is specially 0.8% ~ 1.2%.
3. high resistance to compression creep low-resistivity aluminum-alloy conductor material as claimed in claim 1 or 2, it is characterized in that, the mass percent of described copper is specially 0.1% ~ 0.3%.
4. the high resistance to compression creep low-resistivity aluminum-alloy conductor material as described in any one of claims 1 to 3, it is characterized in that, the mass percent of described zirconium is specially 0.01% ~ 0.07%.
5. the high resistance to compression creep low-resistivity aluminum-alloy conductor material as described in any one of Claims 1 to 4, it is characterized in that, the mass percent of described yttrium is specially 0.05% ~ 0.10%.
6. the high resistance to compression creep low-resistivity aluminum-alloy conductor material as described in any one of Claims 1 to 5, it is characterized in that, the mass percentage of described inevitable impurity is less than or equal to 0.3%.
7. the high resistance to compression creep low-resistivity aluminum-alloy conductor material as described in any one of claim 1 ~ 6, is characterized in that, comprise the component of following mass percent: iron: 1.0%, copper: 0.15%, zirconium: 0.03%, yttrium: 0.07%, aluminium: 98.6%, and inevitable impurity.
8. the high resistance to compression creep low-resistivity aluminum-alloy conductor material as described in any one of claim 1 ~ 6, is characterized in that, comprise the component of following mass percent: iron: 0.7%, copper: 0.12%, zirconium: 0.06%, yttrium: 0.05%, aluminium: 98.9%, and inevitable impurity.
9. the high resistance to compression creep low-resistivity aluminum-alloy conductor material as described in any one of claim 1 ~ 6, is characterized in that, comprise the component of following mass percent: iron: 1.1%, copper: 0.2%, zirconium: 0.08%, yttrium: 0.09%, aluminium: 98.4%, and inevitable impurity.
10. the high resistance to compression creep low-resistivity aluminum-alloy conductor material as described in any one of claim 1 ~ 9, it is characterized in that, described high resistance to compression creep low-resistivity aluminum-alloy conductor material has crystalline structure, the Compound Phase of described crystalline structure inside comprises α-Al phase and second-phase, described second-phase part Dispersed precipitate is at grain boundary sites, and part Dispersed precipitate is mutually inner at described α-Al.
11. high resistance to compression creep low-resistivity aluminum-alloy conductor materials as claimed in claim 10, it is characterized in that, described second-phase comprises Al
3fe phase, Al
3the Compound Phase of Zr phase and aluminium and yttrium.
12. high resistance to compression creep low-resistivity aluminum-alloy conductor materials as claimed in claim 10, is characterized in that, described iron, copper and yttrium, and it is mutually inner that part is solid-solubilized in described α-Al.
The preparation method of 13. 1 kinds high resistance to compression creep low-resistivity aluminum-alloy conductor materials, is characterized in that, comprise the following steps:
According to the component proportion of high resistance to compression creep low-resistivity aluminum-alloy conductor material, first in smelting furnace, fine aluminium ingot is added, add aluminum-copper alloy after aluminium ingot fusing again, ferroaluminium, aluminium zirconium alloy, aluminium yittrium alloy carry out melting, again successively through induction stirring, refining, the online degasification of employing argon gas, and after filtration, casting after, obtain strand; Again by strand through 9 ~ 16 passes, carry out ageing treatment subsequently, after cooling, obtain described high resistance to compression creep low-resistivity aluminum-alloy conductor material, described high resistance to compression creep low-resistivity aluminum-alloy conductor material comprises the component of following mass percent: iron 0.6% ~ 1.2%; Copper 0.1% ~ 0.3%; Zirconium 0.01% ~ 0.07%; Yttrium 0.05% ~ 0.12%; And aluminium and inevitable impurity.
The preparation method of 14. high resistance to compression creep low-resistivity aluminum-alloy conductor materials as claimed in claim 13, it is characterized in that, the condition of described casting is: under the melt temperature of 680 DEG C ~ 730 DEG C, adopts the casting speed of 2.5 ~ 3.5 tphs to cast.
The preparation method of 15. high resistance to compression creep low-resistivity aluminum-alloy conductor materials as claimed in claim 13, is characterized in that, the described operation of rolling finishing temperature remain on 300 DEG C ~ 360 DEG C, described cooled go out car temperature be 40 DEG C ~ 60 DEG C.
16. 1 kinds of cables, comprise insulated conductor and are arranged on the sheath outside described insulated conductor, it is characterized in that, the core of described insulated conductor adopts the high resistance to compression creep low-resistivity aluminum-alloy conductor material as described in any one of claim 1 ~ 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099336.8A CN104928537A (en) | 2014-03-17 | 2014-03-17 | Aluminum alloy conductor material with high compressive creep resistance and low resistivity and preparation method thereof, and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099336.8A CN104928537A (en) | 2014-03-17 | 2014-03-17 | Aluminum alloy conductor material with high compressive creep resistance and low resistivity and preparation method thereof, and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104928537A true CN104928537A (en) | 2015-09-23 |
Family
ID=54115958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410099336.8A Pending CN104928537A (en) | 2014-03-17 | 2014-03-17 | Aluminum alloy conductor material with high compressive creep resistance and low resistivity and preparation method thereof, and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104928537A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI581273B (en) * | 2015-11-30 | 2017-05-01 | 財團法人金屬工業研究發展中心 | Aluminum alloy conductive wire and manufacture method thereof |
| CN109402457A (en) * | 2018-12-11 | 2019-03-01 | 新疆众和股份有限公司 | A kind of aluminium alloy rod and preparation method thereof for copper clad aluminum material |
| CN112430765A (en) * | 2020-11-30 | 2021-03-02 | 中南大学 | High-conductivity heat-resistant creep-resistant aluminum alloy conductor material and preparation method and application thereof |
| CN114875277A (en) * | 2022-04-27 | 2022-08-09 | 聊城市博源节能科技有限公司 | Motor rotor aluminum alloy for new energy automobile and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074465A (en) * | 2007-04-30 | 2007-11-21 | 广东雄力双利电缆有限公司 | Production of high-strength heat-resisting aluminum-alloy overhead transmission connecting wire |
| CN101770828A (en) * | 2010-02-03 | 2010-07-07 | 华北电力大学 | High-conductivity non-heat treatment type rare-earth thermal-resistant aluminium alloy conductor material |
-
2014
- 2014-03-17 CN CN201410099336.8A patent/CN104928537A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074465A (en) * | 2007-04-30 | 2007-11-21 | 广东雄力双利电缆有限公司 | Production of high-strength heat-resisting aluminum-alloy overhead transmission connecting wire |
| CN101770828A (en) * | 2010-02-03 | 2010-07-07 | 华北电力大学 | High-conductivity non-heat treatment type rare-earth thermal-resistant aluminium alloy conductor material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI581273B (en) * | 2015-11-30 | 2017-05-01 | 財團法人金屬工業研究發展中心 | Aluminum alloy conductive wire and manufacture method thereof |
| CN109402457A (en) * | 2018-12-11 | 2019-03-01 | 新疆众和股份有限公司 | A kind of aluminium alloy rod and preparation method thereof for copper clad aluminum material |
| CN112430765A (en) * | 2020-11-30 | 2021-03-02 | 中南大学 | High-conductivity heat-resistant creep-resistant aluminum alloy conductor material and preparation method and application thereof |
| CN112430765B (en) * | 2020-11-30 | 2022-04-22 | 中南大学 | High-conductivity heat-resistant creep-resistant aluminum alloy conductor material and preparation method and application thereof |
| CN114875277A (en) * | 2022-04-27 | 2022-08-09 | 聊城市博源节能科技有限公司 | Motor rotor aluminum alloy for new energy automobile and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104946936B (en) | A kind of aerial condutor high conductivity rare earth duralumin monofilament material | |
| JP5247584B2 (en) | Al alloy and Al alloy conductive wire | |
| CN105609155B (en) | A kind of high-conductivity hard aluminum wire monofilament and preparation method thereof | |
| JP5320642B2 (en) | Copper alloy manufacturing method and copper alloy | |
| CN101886198A (en) | High-conductivity aluminum alloy material for cable and preparation method thereof | |
| CN104894438B (en) | A kind of high conductivity heat-resisting aluminium alloy monofilament material and preparation method thereof | |
| JP2008112620A (en) | Electric wire conductor and its manufacturing method | |
| CN101880799A (en) | Al-Fe-Zn-Mg rare earth alloy wire and preparation method thereof | |
| KR20150119185A (en) | Copper alloy wire, copper-alloy strand wire, coated electric wire, and electric wire with terminal | |
| WO2020232990A1 (en) | Heat-resistant aluminum alloy having high conductivity, preparation method therefor and alloy aluminum rod used for overhead cables | |
| CN106350698A (en) | Softening-resistant copper alloy, method for preparing same and application of softening-resistant copper alloy | |
| CN104975211A (en) | High-conductivity thermal-treatment type medium-strength aluminum alloy conducting filament | |
| CN102912193A (en) | High-conductivity creep-resistant aluminum-alloy conductor and manufacturing method thereof | |
| JP2012001813A (en) | Aluminum alloy conductor electric wire and its manufacturing method | |
| CN102453819A (en) | Manufacture method of medium-strength aluminum alloy wire with electrical conductivity of 59 percent | |
| CN103667810A (en) | Al-Fe-Cu-Mg aluminum alloy, preparation method thereof and aluminum alloy cable | |
| CN104928537A (en) | Aluminum alloy conductor material with high compressive creep resistance and low resistivity and preparation method thereof, and cable | |
| CN104152760A (en) | High-conductivity and high-strength aluminum alloy and preparation method thereof | |
| CN103667806A (en) | Al-Fe-Ag aluminum alloy, preparation method thereof and aluminum alloy cable | |
| CN109295346A (en) | A kind of soft aluminium alloy of high conductivity and its preparation method and application | |
| CN103725931A (en) | Aluminum-Ferrum-Vanadium aluminum alloy and preparation method thereof and aluminum alloy cable | |
| CN103757485A (en) | Al-Fe-Cu-Mg aluminum alloy and low-voltage cable manufactured by alloy | |
| CN102666893A (en) | Power feed body and method for manufacturing same | |
| CN103730185A (en) | Al-Fe-Cu-Mg aluminum alloy and electric wire made of the same | |
| JP2010285688A (en) | Al ALLOY AND Al ALLOY CONDUCTIVE WIRE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150923 |